Add professional Grafana dashboard suite with management tooling
- New manage-dashboards script: install/export/list/validate/status
actions for Grafana dashboard lifecycle via HTTP API, with datasource
UID portability (${DS_PROMETHEUS}/${DS_LOKI} variables) and folder
organization
- Reorganize dashboards into core/ and community/ subdirectories with
dashboard.yaml manifest
- Enhance 3 existing dashboards: template variables (instance/node/
proxy/server), cross-dashboard navigation links, new panels (instance
status table, CPU mode breakdown, load averages, memory breakdown,
filesystem bar gauge, response code distribution, server state
timeline, connection errors)
- Add 6 new dashboards: Instance Deep Dive, Storage & Filesystem,
Network Deep Dive, Logs Explorer (Loki), Prometheus Health, Capacity
Planning (with predict_linear forecasting)
- Update deploy-observability: explicit datasource UIDs in provisioning,
phase 9 uses manage-dashboards --install, new --workloads action for
dummy metric generation (workload-web + workload-api containers)
- Update observability guide with all 9 dashboard descriptions
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>